views: add Harmony dialog width support

ui/views/window/dialog_delegate.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/window/dialog_delegate.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/base/l10n/l10n_util.h"
+#include "ui/base/material_design/material_design_controller.h"
 #include "ui/gfx/color_palette.h"
 #include "ui/strings/grit/ui_strings.h"
 #include "ui/views/bubble/bubble_border.h"
 #include "ui/views/bubble/bubble_frame_view.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/layout/layout_constants.h"
 #include "ui/views/style/platform_style.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_observer.h"
 #include "ui/views/window/dialog_client_view.h"
@@ skipping 194 matching lines @@
 }
 
 const DialogClientView* DialogDelegate::GetDialogClientView() const {
   return GetWidget()->client_view()->AsDialogClientView();
 }
 
 DialogClientView* DialogDelegate::GetDialogClientView() {
   return GetWidget()->client_view()->AsDialogClientView();
 }
 
+int DialogDelegate::GetWidthFactor() const {
+  if (!ui::MaterialDesignController::IsSecondaryUiMaterial())
+    return 0;
+  return static_cast<int>(dialog_width_);
+}
+
 ui::AXRole DialogDelegate::GetAccessibleWindowRole() const {
   return ui::AX_ROLE_DIALOG;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // DialogDelegateView:
 
 DialogDelegateView::DialogDelegateView() {
   // A WidgetDelegate should be deleted on DeleteDelegate.
   set_owned_by_client();
@@ skipping 22 matching lines @@
   state->role = ui::AX_ROLE_DIALOG;
 }
 
 void DialogDelegateView::ViewHierarchyChanged(
     const ViewHierarchyChangedDetails& details) {
   if (details.is_add && details.child == this && GetWidget())
     NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
 }
 
 }  // namespace views